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lvm2/test/shell/lvconvert-raid-restripe-linear.sh

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#!/usr/bin/env bash
# Copyright (C) 2017 Red Hat, Inc. All rights reserved.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions
# of the GNU General Public License v.2.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA2110-1301 USA
SKIP_WITH_LVMLOCKD=1
SKIP_WITH_LVMPOLLD=1
. lib/inittest
which mkfs.ext4 || skip
aux have_raid 1 14 0 || skip
aux prepare_vg 5
#
# Test single step linear -> striped conversion
#
# Create linear LV
lvcreate -aey -L 16M -n $lv $vg
check lv_field $vg/$lv segtype "linear"
check lv_field $vg/$lv stripes 1
check lv_field $vg/$lv data_stripes 1
wipefs -a $DM_DEV_DIR/$vg/$lv
mkfs -t ext4 $DM_DEV_DIR/$vg/$lv
fsck -fn $DM_DEV_DIR/$vg/$lv
# Convert linear -> raid1
not lvconvert -y --stripes 4 $vg/$lv
not lvconvert -y --stripes 4 --stripesize 64K $vg/$lv
not lvconvert -y --stripes 4 --stripesize 64K --regionsize 512K $vg/$lv
lvconvert -y --type striped --stripes 4 --stripesize 64K --regionsize 512K $vg/$lv
fsck -fn $DM_DEV_DIR/$vg/$lv
check lv_field $vg/$lv segtype "raid1"
check lv_field $vg/$lv stripes 2
check lv_field $vg/$lv data_stripes 2
check lv_field $vg/$lv regionsize "512.00k"
aux wait_for_sync $vg $lv
fsck -fn $DM_DEV_DIR/$vg/$lv
# Convert raid1 -> raid5_n
lvconvert -y --type striped --stripes 4 --stripesize 64K --regionsize 512K $vg/$lv
check lv_field $vg/$lv segtype "raid5_n"
check lv_field $vg/$lv stripes 2
check lv_field $vg/$lv data_stripes 1
check lv_field $vg/$lv stripesize "64.00k"
check lv_field $vg/$lv regionsize "512.00k"
fsck -fn $DM_DEV_DIR/$vg/$lv
# Convert raid5_n adding stripes
lvconvert -y --type striped --stripes 4 --stripesize 64K --regionsize 512K $vg/$lv
check lv_first_seg_field $vg/$lv segtype "raid5_n"
check lv_first_seg_field $vg/$lv data_stripes 4
check lv_first_seg_field $vg/$lv stripes 5
check lv_first_seg_field $vg/$lv stripesize "64.00k"
check lv_first_seg_field $vg/$lv regionsize "512.00k"
check lv_first_seg_field $vg/$lv reshape_len_le 10
aux wait_for_sync $vg $lv
fsck -fn $DM_DEV_DIR/$vg/$lv
resize2fs $DM_DEV_DIR/$vg/$lv
# Convert raid5_n -> striped
lvconvert -y --type striped $vg/$lv
fsck -fn $DM_DEV_DIR/$vg/$lv
vgremove -ff $vg